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Tagged with sensitivity-specificity probability
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(Why) Does positive predictive value depend on sensitivity?
Assume there are two possible categories, coded as $0$ and $1$.
Define positive predictive value (PPV) to be the probability that an observation really is in category $1$ when it is predicted as being ...
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"Posterior" Sensitivity and Specificity in Classification
Let's set aside what we know about proper scoring rules and predicting probabilities; let's do CLASSIFICATION.
Define sensitivity as the ability to call an observation a $1$ if it really is a $1$: $
\...
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